该版本的单复变程序增加了三个函数：复反正切函数atan(x+yi),实Γ函数，实反椭圆正弦函数（即雅可比分号形式的第一类[不完全]椭圆积分）Arcsn(e x),0<=e<=1,-1<=x<=1。-This version of the single complex variable program adds three functions: complex tangent function atan (x+ yi), the real function of Γ, th